Codex Tasks: AB Test Research Designer → Commercial Product

Codex Tasks: AB Test Research Designer → Commercial Product

Based on archive/2026-04-23-bcg-planning-docs/commercial-upgrade-plan.md
Generated: 2026-04-10
Total tasks: 18 | Estimated: ~9 weeks (1 dev)

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Dependency order

Phase 0 (Foundation) ──┬── Phase 1 (UX)        ──┬── Phase 3.3 (Results)
MUST RUN FIRST         ├── Phase 2 (Visual)     ├── Phase 3.4 (Shareable)
                       └── Phase 3.1-3.2 ──────┘
                                    │
                                    └── Phase 4 (Advanced stats)
                                                    │
                                                    └── Phase 5 (Polish)

Phases 1 + 2 + 3.1 + 3.2 can run in parallel after Phase 0.

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Task index

File	Task	Priority	Effort
phase-0-1-css-architecture.md	Design tokens + CSS Modules	Critical	6h
phase-0-2-backend-modularization.md	Split main.py into APIRouter modules	Critical	4h
phase-0-3-frontend-refactor.md	Refactor App.tsx + split experiment.ts	Critical	5h
phase-1-1-onboarding.md	Empty state + sidebar tabs	High	4h
phase-1-2-tooltips.md	Floating UI tooltips on all numeric fields	High	3h
phase-1-3-live-calculations.md	Real-time preview + MDE/Power sliders	High	5h
phase-1-4-ux-polish.md	Inline validation + toasts + keyboard shortcuts	High	5h
phase-2-1-data-visualization.md	Power curve + sensitivity table (Recharts)	High	6h
phase-2-2-visual-polish.md	Elevation + skeletons + micro-interactions	Medium	4h
phase-2-3-icon-system.md	Replace inline SVGs with Lucide React	Medium	2h
phase-3-1-multi-metric.md	Guardrail metrics (UI + backend)	High	5h
phase-3-2-srm-detection.md	SRM checker (chi-square)	High	4h
phase-3-3-results-tracker.md	Post-experiment results input + significance	Medium	6h
phase-3-4-shareable-reports.md	Self-contained HTML export + print CSS	Medium	4h
phase-4-1-sequential-testing.md	O’Brien-Fleming alpha spending	Medium	6h
phase-4-2-cuped.md	CUPED variance reduction estimator	Medium	4h
phase-4-3-bayesian.md	Bayesian power analysis mode	Low	5h
phase-5-polish.md	A11y audit + i18n + Lighthouse CI	Medium	6h